Minn Kota MK-1-DC Single Bank DC Alternator Charger

Details:

Take charge of up to 10 amps of total output with our new one-bank On-Board
DC Alternator Charger. Features waterproof and corrosion-resistant design, a low
profile enclosure and turns off when the engine is not in use. 7" length x
7-1/4" width x 3-1/2" height. Weighs 5 pounds

1 bank ? 10 amps total output

Alternator charging design uses current from boat's alternator to
re-charge trolling batteries when main engine is running